The City of Waynesboro owns, operates, and maintains a six MGD wastewater treatment plant with biological nutrient removal, and UV disinfection. This $42 million facility has been online since August of 2010.
 
The principal objective of the treatment plant is to discharge wastewater without danger to human health or detrimental effect to the environment. Once treated, the water is released into the South River, a tributary of the Shenandoah-Potomac River in the Chesapeake Bay Watershed. The Waynesboro Wastewater Treatment Plant must meet stringent regulations for nutrient discharge due to the Chesapeake Bay Preservation Act.